Designation
| Name |
The value |
| Designation GOST Cyrillic |
5Х3Н12Г5 |
| Designation GOST Latin |
5X3H12G5 |
| Transliteration |
5H3N12G5 |
| By chemical elements |
5Cr3Н12Mn5 |
| Name |
The value |
| Designation GOST Cyrillic |
Н12ХГ |
| Designation GOST Latin |
H12XG |
| Transliteration |
N12HG |
| By chemical elements |
Н12CrMn |
Description
5Х3Н12Г5 steel is used: for the manufacture of various components of magnetic and other special instruments instrumentation in cases where ferromagnetic materials cannot be applied, as they affect the accuracy of readings; parts electrical machinery and apparatus; compass housings.
Note
Nickelmania non-magnetic austenitic high-alloy steel.
Steel after rapid cooling in water to 600 °C becomes fully non-magnetic.
Standards
| Name |
Code |
Standards |
| Bars and shapes |
В32 |
TU 14-1-591-73 |
Chemical composition
| Standard |
C |
S |
P |
Mn |
Cr |
Si |
Ni |
Fe |
| TU 14-1-591-73 |
0.5-0.6 |
≤0.03 |
≤0.045 |
4.5-5.5 |
3-4.5 |
≤0.6 |
11.5-13.5 |
Rest |
Fe is the basis.
According to TU 14-1-591-73, the chemical composition is given for steel grade 5X3N12G5.
Mechanical properties
| Section, mm |
HB, MPa |
| Bars and strip hot rolled and forged bars as supplied on the other 14-1-591-73. Annealing at 820 °C (aged for at least 5 hours), air cooling |
|
163-269 |
Description mechanical marks
| Name |
Description |
| HB |
Brinell hardness number |
Technological properties
| Name |
The value |
| Pressure treatment |
Steel is well-deformed in hot state, and after normalization or quenching and cold. |
| Machinability |
Intractable. |
